<template>
    <el-form :model="dynamicValidateForm" ref="dynamicValidateForm" label-width="100px" class="demo-dynamic">
        <el-form-item

                label="邮箱"
                :rules="[
      { required: true, message: '请输入邮箱地址', trigger: 'blur' },
      { type: 'email', message: '请输入正确的邮箱地址', trigger: ['blur', 'change'] }
    ]"
        >
            <el-input v-model="dynamicValidateForm.email"></el-input>
        </el-form-item>
        <el-form-item
                v-for="(domain, index) in dynamicValidateForm.domains"
                :label="'域名' + index"
                :key="domain.key"
                :prop="'domains.' + index + '.value'"
                :rules="{
      required: true, message: '域名不能为空', trigger: 'blur'
    }"
        >
            <el-input v-model="domain.value"></el-input><el-button @click.prevent="removeDomain(domain)">删除</el-button>
        </el-form-item>
        <el-form-item>
            <el-button type="primary" @click="submitForm('dynamicValidateForm')">提交</el-button>
            <el-button @click="addDomain">新增域名</el-button>
            <el-button @click="resetForm('dynamicValidateForm')">重置</el-button>
        </el-form-item>
    </el-form>
</template>
<script>
    export default {
        data() {
            return {
                dynamicValidateForm: {
                    domains: [{
                        value: ''
                    }],
                    email: ''
                }
            };
        },
        methods: {
            submitForm(formName) {
                this.$refs[formName].validate((valid) => {
                    if (valid) {
                        alert('submit!');
                    } else {
                        console.log('error submit!!');
                        return false;
                    }
                });
            },
            resetForm(formName) {
                this.$refs[formName].resetFields();
            },
            removeDomain(item) {
                var index = this.dynamicValidateForm.domains.indexOf(item)
                if (index !== -1) {
                    this.dynamicValidateForm.domains.splice(index, 1)
                }
            },
            addDomain() {
                this.dynamicValidateForm.domains.push({
                    value: '',
                    key: Date.now()
                });
            }
        }
    }
</script>